<template>
  <header class="header">
    <h1>todos</h1>
    <input id="toggle-all" class="toggle-all" type="checkbox" v-model="all" />
    <label for="toggle-all"></label>
    <input
      class="new-todo"
      placeholder="输入任务名称-回车确认"
      autofocus
      v-model="name"
      @keydown.enter="down"
    />
  </header>
</template>

<script>
export default {
  props: ["list"],
  data() {
    return {
      name: "",
    };
  },
  computed: {
    all: {
      set(val) {
        this.$emit("isAll", val);
      },
      get() {
        return this.list.length > 0 && this.list.every((obj) => obj.isDone);
      },
    },
  },
  methods: {
    down() {
      this.$emit("add", this.name);
      this.name = "";
    },
  },
};
</script>

<style>
</style>